Choose either model after comparing CADR, recommended room size, noise, and filtration below.
Which purifier has higher CADR?
The Levoit Core 300 has a smoke CADR of 126 CFM versus 123 CFM for the Blueair Blue Pure 511, a difference of 2%.
Which purifier is quieter?
Both list a minimum of 24 dB.
Which purifier covers a larger room?
Levoit Core 300 fits a larger room (about 195 vs 191 sq ft recommended from CADR).
Which purifier has better smart features?
Neither lists Wi-Fi or app control in our sources.
Which purifier has better filtration?
Levoit Core 300 lists 3-Stage Filtration (Pre-filter, True HEPA Filter, Activated Carbon Filter); Blueair Blue Pure 511 lists HEPASilent.
Bottom line
Choose either model after comparing CADR, recommended room size, noise, and filtration below.
| Metric | Levoit Core 300 | Blueair Blue Pure 511 | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 126 CFM | 123 CFM | Levoit Core 300 (+2%) |
| Recommended room size | 195 sq ft | 191 sq ft | Levoit Core 300 (+2%) |
| Manufacturer claimed coverage | 383 sq ft | 189 sq ft | — |
| Minimum noise | 24 dB | 24 dB | — |
| Filter type | 3-Stage Filtration (Pre-filter, True HEPA Filter, Activated Carbon Filter) | HEPASilent | — |
| Replacement interval | 6-8 months | 6 months | — |
| Power | 56W | 16 W | — |
| Wi-Fi / app | No | No | — |
| Dimensions | 8.7 × 8.7 × 14.2 in | — | — |
| Weight | 7.5 lb | 4.2 lb | — |